import {
  mapGetters
} from 'vuex'
export default {
  computed: {
    ...mapGetters('m_cart', ['total'])
  },
  watch:{
    total(){
      this.setBadge()
    }
  },
  onShow() {
    this.setBadge()
  },
  
  methods: {
    setBadge() {
    uni.setTabBarBadge({
      index: 2,
      text: this.total + ''
    })
  }
},
}
